[arch-general] The differences among bootx64.efi, loader.efi and grubx64.efi.

Ralph Corderoy ralph at inputplus.co.uk
Fri Nov 15 12:57:33 UTC 2019

Hi Hongyi,

> I noticed that for many distro's install iso, there are some efi files
> in the EFI/efi folder as follows:
>     bootx64.efi, loader.efi and grubx64.efi
> Say, for arch:
>     bootx64.efi, loader.efi
> for debian:
>     bootx64.efi  grubx64.efi

bootx64.efi is the default, others may exist as you can see.
NVRAM defines a list to iterate over of *.efi to attempt.
https://wiki.mageia.org/en/About_EFI_UEFI#The_ESP has some detail.
The start of https://jdebp.eu/FGA/efi-boot-process.html may also be useful.

Cheers, Ralph.

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